IL155186A0 - Wear leveling of static areas in flash memory - Google Patents

Wear leveling of static areas in flash memory

Info

Publication number
IL155186A0
IL155186A0 IL15518602A IL15518602A IL155186A0 IL 155186 A0 IL155186 A0 IL 155186A0 IL 15518602 A IL15518602 A IL 15518602A IL 15518602 A IL15518602 A IL 15518602A IL 155186 A0 IL155186 A0 IL 155186A0
Authority
IL
Israel
Prior art keywords
flash memory
wear leveling
static areas
static
areas
Prior art date
Application number
IL15518602A
Original Assignee
Milsys Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Milsys Ltd filed Critical Milsys Ltd
Publication of IL155186A0 publication Critical patent/IL155186A0/en

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02Addressing or allocation; Relocation
    • G06F12/0223User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/023Free address space management
    • G06F12/0238Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory
    • G06F12/0246Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory in block erasable memory, e.g. flash memory
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/10Providing a specific technical effect
    • G06F2212/1032Reliability improvement, data loss prevention, degraded operation etc
    • G06F2212/1036Life time enhancement
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/72Details relating to flash memory management
    • G06F2212/7211Wear leveling
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C16/00Erasable programmable read-only memories
    • G11C16/02Erasable programmable read-only memories electrically programmable
    • G11C16/06Auxiliary circuits, e.g. for writing into memory
    • G11C16/34Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
    • G11C16/349Arrangements for evaluating degradation, retention or wearout, e.g. by counting erase cycles

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
IL15518602A 2001-06-01 2002-05-15 Wear leveling of static areas in flash memory IL155186A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/870,315 US6732221B2 (en) 2001-06-01 2001-06-01 Wear leveling of static areas in flash memory
PCT/US2002/015238 WO2002099646A1 (en) 2001-06-01 2002-05-15 Wear leveling of static areas in flash memory

Publications (1)

Publication Number Publication Date
IL155186A0 true IL155186A0 (en) 2003-11-23

Family

ID=25355127

Family Applications (1)

Application Number Title Priority Date Filing Date
IL15518602A IL155186A0 (en) 2001-06-01 2002-05-15 Wear leveling of static areas in flash memory

Country Status (6)

Country Link
US (1) US6732221B2 (en)
JP (1) JP2004522230A (en)
KR (1) KR20030020435A (en)
IL (1) IL155186A0 (en)
TW (1) TWI264007B (en)
WO (1) WO2002099646A1 (en)

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TWI264007B (en) 2006-10-11
JP2004522230A (en) 2004-07-22

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